They have been ____________________ (argument) over this issue for hours.
arguing
举一反三
- They have been ________ over this issue for hours. A: argue B: argues C: argued D: arguing
- The committee (A. has been arguing B. have been arguing) over the problem among themselves for two hours. A: has been arguing B: have been arguing
- They have been _ outsider for two hours.
- The meeting has ___ for two hours. A: begun B: finish C: been on over D: over
- The argument went on for over three hours as both sides would give in. A: went on B: over C: both sides D: give in
内容
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By the time you arrive， I ________ working for two hours． A: will be B: can C: will have been D: have been
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The passengers on the plane have been held ______ for ten hours before the police had a firm control over the hijackers. A: captive B: capsule C: cavity D: casualty
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中国大学MOOC: They have been waiting for many hours to see the singer, but the airplane must have been ____ .
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By 5:30 this afternoon, Bob……… been at work for eight hours. A: has B: will C: have D: will have
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By the time your plane lands tonight, I _____ at the airport for 3 hours. A: had waited B: have been waited C: had been waiting D: will have been waiting